# 16文字日記 vs Nostalgia Notes

The clearest difference is update cadence: Nostalgia Notes at every 4 days against 16文字日記's every 2 months. 16文字日記's advantage is iOS requirement (15.0 vs 17.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

16文字日記 ships an update every 2 months, Nostalgia Notes every 4 days. The most recent releases landed on September 16, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | 16文字日記 | Nostalgia Notes |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 75 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kenta Fukushima](https://appshunter.io/developer/1514527789) | [Masaaki Kishimoto](https://appshunter.io/developer/1754276430) |

## What reviewers say

### 16文字日記

[App page](https://appshunter.io/ios/app/16/id6448646374)

This app allows users to record their daily thoughts and memories using only 16 characters. It's designed for those who find long journaling difficult or are short on time, making it easy to maintain a daily record and review past entries.

**Highlights:** 16-character daily entries, Monthly calendar view, Writing reminders, Passcode lock, Easy to continue daily

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Nostalgia Notes

[App page](https://appshunter.io/ios/app/nostalgia-notes/id6532611771)

Easily create, update, and delete diary entries. Review past entries sorted by day, week, month, or year. Track your progress with enriched statistical data to stay motivated.

**Highlights:** Diary creation, Update diary entries, Delete diary entries, Review past entries, Sort entries by date, Statistical data tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 16文字日記 free?

16文字日記 is free to download, with no in-app purchases.

### Is Nostalgia Notes free?

Nostalgia Notes is free to download, with no in-app purchases.

### Do 16文字日記 or Nostalgia Notes have ads?

Both 16文字日記 and Nostalgia Notes show ads.

### Which is updated more often, 16文字日記 or Nostalgia Notes?

16文字日記 ships an update every 2 months, and Nostalgia Notes every 4 days. Most recently, 16文字日記 was updated on September 16, 2026 and Nostalgia Notes on June 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*